#include <AT89X52.h>

void  Port0_choose();
void Port0_0_Open();
void Port0_1_Open();
void Port0_2_Open();
void Port0_3_Open();
void Port0_4_Open();
void Port0_5_Open();
void Port0_6_Open();
void Port0_7_Open();
void Port0_8_Open();
void Port0_9_Open();
void Port0_A_Open();
void Port0_B_Open();
void Port0_C_Open();
void Port0_D_Open();
void Port0_E_Open();
void Port0_F_Open();
void nixie();
